On mixing ethyl acetate with aqueous sodium chloride, the composition of the resultant solution is:

The major product formed in the following reaction is:

In the following reaction

Aldehyde $+$ Alcohol $\stackrel{\mathrm{HCl}}{⟶}$ Acetal

$$\begin{gathered} \mathrm{Aldehyde} \mathrm{Alcohol} \\ \mathrm{HCHO} {}^{\mathrm{t}}\mathrm{BuOH} \\ {\mathrm{CH}}_3\mathrm{CHO} \mathrm{MeOH} \end{gathered}$$

The best combination is:

In the following reactions, products $\mathrm{A}$ and $\mathrm{B}$ are:

The major product obtained in the following reaction is:

In the following sequence of reactions:   

Toluene $\stackrel{{\mathrm{KMnO}}_4}{\to }\mathrm{A}\stackrel{{\mathrm{SOCl}}_2}{\to }\mathrm{B}\underset{{\mathrm{BaSO}}_4}{\overset{{\mathrm{H}}_2/\mathrm{Pd}}{\to }}\mathrm{C}$ the product $\mathrm{C}$ is: